I'm using floowing radiosity, but seems not to load data, because
- render time is same
- when I delete file "rad4" or type invalid name like "asdfasdf" - pov 
doesn't even show a warning

  radiosity {
    pretrace_start 1/12
    pretrace_end   1/(12*8)
    count 1200                     
    nearest_count 9
    error_bound 0.45
    recursion_limit  9
    low_error_factor .32
    gray_threshold 0.0           
    minimum_reuse 0.002
    brightness 1                  

    adc_bailout 0.01/2
    normal yes                     
    media no                     
    //  save_file "rad4"
      load_file "rad4"
      always_sample 0
    max_sample 3
    #declare AMBIENT_DEF=0;
  }

rad4 is a file created in same scene, using same radiosity but with :
      save_file "rad4"
    //  load_file "rad4"
    //  always_sample 0

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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"Rafal 'Raf256' Maj" <raf### [at] raf256com> wrote in 
news:Xns### [at] 204213191226

> I'm using floowing radiosity

folowing :-/

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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1. You can set pretrace_start and -end to 1 if you're loading data
2. Rendering isn't faster, but without pretrace and always_sample
POV doesn't need to parse the entire Radiosity-Data once again.

--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde

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"Tim Nikias" <tim### [at] gmxde> wrote in news:3d811721@news.povray.org

> 1. You can set pretrace_start and -end to 1 if you're loading data

exacly :) thanks

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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